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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
16405643328112878 ~1987
16405703328114078 ~1987
16405751328115038 ~1987
164059311312474499 ~1989
16406081984364878 ~1988
164062133937491139 ~1990
164063172625010739 ~1990
16406459328129198 ~1987
164064732625035699 ~1990
16406653984399198 ~1988
16406711328134238 ~1987
16406917984415038 ~1988
16407361984441678 ~1988
16407623328152478 ~1987
164077791312622339 ~1989
16407971328159438 ~1987
16408583328171678 ~1987
164086573938077699 ~1990
16408883328177678 ~1987
16408993984539598 ~1988
16409339328186798 ~1987
16409363328187278 ~1987
164094171312753379 ~1989
16409429315061036910 ~1992
16409951328199038 ~1987
Exponent Prime Factor Digits Year
16410073105024467310 ~1991
16410257984615438 ~1988
16410263328205278 ~1987
16410371328207438 ~1987
164105211312841699 ~1989
16410599328211998 ~1987
164111231641112319 ~1989
16411403328228078 ~1987
16411691328233838 ~1987
16411751328235038 ~1987
164119371312954979 ~1989
16412339328246798 ~1987
164125191313001539 ~1989
164127432626038899 ~1990
164129091313032739 ~1989
16413073984784398 ~1988
16413431328268638 ~1987
16413541324988111910 ~1992
16413671328273438 ~1987
164137071313096579 ~1989
16413779328275598 ~1987
16414379121466404710 ~1991
164150173939604099 ~1990
16415279328305598 ~1987
16415579328311598 ~1987
Exponent Prime Factor Digits Year
164158031641580319 ~1989
164158213611480639 ~1990
16415891328317838 ~1987
16416073984964398 ~1988
16416311328326238 ~1987
16416443328328878 ~1987
16416791328335838 ~1987
16416997985019838 ~1988
16417091328341838 ~1987
16417139328342798 ~1987
16417391328347838 ~1987
16417559328351198 ~1987
16418351328367038 ~1987
16418411328368238 ~1987
164191071313528579 ~1989
16419503328390078 ~1987
16419517985171038 ~1988
16419563328391278 ~1987
16419719328394398 ~1987
16419839328396798 ~1987
16420331328406638 ~1987
16420403328408078 ~1987
16420823328416478 ~1987
16421159328423198 ~1987
16421341985280478 ~1988
Exponent Prime Factor Digits Year
164216236897081679 ~1991
16421843328436878 ~1987
164218791313750339 ~1989
16422353985341198 ~1988
16422377985342638 ~1988
16422383328447678 ~1987
16422491328449838 ~1987
16422661985359678 ~1988
16422683328453678 ~1987
164227611313820899 ~1989
16423031328460638 ~1987
164234471642344719 ~1989
164237092299319279 ~1989
16423811328476238 ~1987
16423861985431678 ~1988
16423919328478398 ~1987
16424069118253296910 ~1991
16424591328491838 ~1987
16424819328496398 ~1987
16425971328519438 ~1987
164259712956674799
16426031328520638 ~1987
16426103328522078 ~1987
16426643328532878 ~1987
16426877985612638 ~1988
1291
GIMPS The Prime Pages FactorDb.com
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25-05-04